Gigabyte gSmart MS820 hard reset
Gigabyte gSmart MS820 ROM upgrade
Copy downloaded (from gigabyte website) Image files, unzip it to memory card.
Please make sure the battery is over 60% full before upgrading. Place the Mini/Micro SD card into the phone and turn off the phone.
Then press and hold the down Volume Key and press the Power Button at the same time, until the “IMAGE UTILITY” show up,
release all buttons and it will start installing.
(1) Blue Light: Reading, from Mini/Micro SD card to SDRAM.
(2) Orange Light: Writing, from SDRAM to Flash.
After entering Download mode, plug in the charger NOW to ensure upgrade stability
The upgrade takes about 20 minutes. Upon completion, please follow the instruction –
“Please Remove Battery” to remove the battery for 1~2 seconds, then put the battery back and reboot the phone